As the Mobile World Congress approaches, it's about that time for companies to start spreading the word about what they'll be showing off this year. Google is taking the "We'll let our past work speak for itself" approach to building hype. "For a taste of what's in store," Google says on Twitter, "check out this video from last year:"

This booth was so incredible last year it got its own round of coverage.

Shortly after Thanksgiving last year, Google updated its Maps application, bumping its version number up to 6.0 and adding, most notably, indoor mapping. At the time it was presumed that the feature would be most useful for navigating places like major malls, airports, and similar metropolitan areas; however, Google just added a new way to use indoor mapping: finding your way around the most important tech show of the year – CES!